4 sq antenna

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2m Quad Turnstile Antenna
The loops are made of 10 mm round aluminum tube No bending pliers was used ...

[ Hits: 207 | Votes: 0 | Rating: 0 ]
VHF Bi-Square Beam Antenna - KG4ZNC
2 Wavelength 2 Meter Bi Square Beam 5dbd gain This antennas are very cheeap to ...

[ Hits: 188 | Votes: 2 | Rating: 9 ]

6 Elements Yagi Antenna on 50 MHz - VK4ADC
This is a design based on the QuickYagi 4 software by WA7RAI with some changes ...

[ Hits: 134 | Votes: 2 | Rating: 6 ]

160 Meters 4 Square Receive Antenna - W0QL
A four square array receiving antena for the top band performance is extremely directional and ...

[ Hits: 181 | Votes: 1 | Rating: 10 ]
RX Loop antenna - PA5HE
This loop antenna is intended to be connected as an antenna for receivers that do ...

[ Hits: 60 | Votes: 0 | Rating: 0 ]
Chokes and Isolation Transformers for Receiving Antennas - K9YC
Chokes and isolation transformers are essential for receiving antennas to mitigate common mode current which ...

[ Hits: 60 | Votes: 1 | Rating: 9 ]

Performance of 49:1 Ferrite Core Transformers - AF7NX
There are quite a few recipes for building a suitable transformer for an end fed ...

[ Hits: 151 | Votes: 4 | Rating: 7 ]

The Squid Pole Wire Antenna Re-visited - VK4ADC
The author explores enhancing the performance of a 7 meter fiberglass squid pole wire antenna ...

[ Hits: 91 | Votes: 0 | Rating: 0 ]

Revisiting the GR5V and ZS6BKW Multi-band Antennas - Gary Rondeau, AF7NX
NEC models are used to explore the GR5V and ZS8BKW optimizations A third optimization is ...

[ Hits: 313 | Votes: 1 | Rating: 10 ]

DX Commander Antennas - M0MCX
DX Commander produces economical multi band antennas available in kit form 4 Square array vertical ...

[ Hits: 274 | Votes: 0 | Rating: 0 ]